POST UTME EKSU 2024 Physics | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A 5 m long rod is heated from 20°C to 100°C. What is the change in length?
A. 0.5 m
B. 1 m
C. 1.5 m
D. 2 m
Question 2
A 1000 kg car is traveling at a speed of 50 m/s. If the car is brought to rest in 10 s, what is the average force applied to the car?
A. 500 N
B. 1000 N
C. 1500 N
D. 2000 N
Question 3
A 100 W light bulb is connected to a 220 V power source. What is the current flowing through the bulb?
A. 0.5 A
B. 1 A
C. 2 A
D. 3 A
Question 4
A block of mass 2 kg is placed on a horizontal, frictionless surface. A horizontal force of 10 N is applied to the block. What is the acceleration of the block?
A. 2 m/s^2
B. 4 m/s^2
C. 5 m/s^2
D. 10 m/s^2
Question 5
A sound wave has a frequency of 200 Hz and a speed of 340 m/s. Calculate the wavelength of the wave.
A. 1.7 m
B. 1.8 m
C. 1.9 m
D. 2.0 m
Question 6
A circuit consists of a 12 V battery, a 4 Ω resistor, and a 6 Ω resistor connected in series. What is the current in the circuit?
A. 1.5 A
B. 2.0 A
C. 2.5 A
D. 3.0 A
Question 7
A ray of light passes from air into a glass block with a re\fractive index of 1.5. If the angle of incidence is 30°, what is the angle of re\fraction?
A. 20°
B. 30°
C. 40°
D. 50°
Question 8
A 50 Hz AC voltage is applied across a 100 Ω resistor. What is the rms value of the current?
A. 0.5 A
B. 1 A
C. 1.5 A
D. 2 A
Question 9
A 2 kg block is attached to a horizontal, massless spring with a force cons\tant of 100 N/m. The block is displaced by 0.2 m from its equilibrium position and released from rest. Assuming the block undergoes simple harmonic motion, calculate the maximum speed of the block as it passes through the equilibrium position.
A. 2 m/s
B. 4 m/s
C. 6 m/s
D. 8 m/s
Question 10
A particle of mass 2 kg is moving in a circular path with a radius of 3 m. If the particle has a speed of 4 m/s, what is the centripetal force acting on the particle?
A. 10 N
B. 20 N
C. 30 N
D. 40 N
Question 11
A magnetic field of 0.5 T is applied to a coil of wire with 100 turns. If the coil is rotated by 90°, what is the induced emf?
A. 0.5 V
B. 1 V
C. 2 V
D. 5 V
Question 12
A 10 μF capacitor is connected in series with a 220 Ω resistor. A 12 V battery is connected across the circuit. What is the current in the circuit?
A. 0.50 A
B. 1.0 A
C. 1.5 A
D. 2.0 A
Question 13
A particle of mass 2 kg is attached to a spring with a spring cons\tant of 100 N/m. If the particle is displaced by 0.2 m from its equilibrium position and released from rest, determine the angular frequency of the resulting simple harmonic motion.
A. 10 rad/s
B. 20 rad/s
C. 30 rad/s
D. 40 rad/s
Question 14
A particle of mass 2 kg is moving in a circular path of radius 3 m with a cons\tant speed of 4 m/s. If the particle is subjected to a centripetal force of 12 N, calculate the time taken by the particle to complete one revolution.
A. 2 s
B. 4 s
C. 6 s
D. 8 s
Question 15
A parallel plate capacitor has a capaci\tance of 10 μF and is charged to a potential difference of 100 V. If the dis\tance between the plates is doubled, what is the new capaci\tance?
A. 5 μF
B. 10 μF
C. 20 μF
D. 40 μF

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